Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-577 A Madison WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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